:root{
  --ink:#0E1116; --surface:#161B22; --surface-2:#1F2630;
  --lime:#C8FF35; --lime-dark:#9FE000;
  --text:#E6EAF0; --muted:#93A0B4; --line:#2C3441;
  --radius:18px; --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--ink); color:var(--text); line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:80px 0}
h1,h2,h3{line-height:1.15;letter-spacing:-0.02em;font-weight:800}
h2{font-size:clamp(28px,4vw,40px);margin-bottom:14px}
.muted{color:var(--muted)}
.center{text-align:center}
.hl{color:var(--lime)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;
  padding:14px 22px;border-radius:14px;border:1px solid transparent;
  transition:.2s;cursor:pointer;font-size:15px}
.btn--primary{background:var(--lime);color:#0E1116}
.btn--primary:hover{background:var(--lime-dark);transform:translateY(-1px)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--lime)}
.btn--lg{padding:16px 28px;font-size:16px}
.btn--sm{padding:9px 16px;font-size:14px}

/* Header */
.header{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(14,17,22,.78);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px}
.brand img{width:30px;height:30px}
.brand span span{color:var(--lime)}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:var(--muted);font-size:15px;font-weight:600}
.nav a:hover{color:var(--text)}
.nav .btn{color:var(--text)}
.nav .btn--primary{color:#0E1116}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:90px 0 70px}
.hero__glow{position:absolute;top:-160px;right:-160px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(200,255,53,.18),transparent 60%);filter:blur(20px)}
.hero__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative}
.pill{display:inline-block;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;font-size:13px;color:var(--lime);margin-bottom:20px;font-weight:600}
.hero h1{font-size:clamp(38px,6vw,60px);font-weight:900;margin-bottom:18px}
.hero p{font-size:18px;color:var(--muted);max-width:540px;margin-bottom:28px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__note{margin-top:16px;font-size:13px;color:var(--muted)}

/* Phone mockup */
.phone{justify-self:center;width:280px;height:560px;border-radius:38px;
  background:linear-gradient(160deg,#1b2330,#10141b);border:1px solid var(--line);
  padding:14px;box-shadow:0 40px 80px rgba(0,0,0,.5);position:relative}
.phone__screen{width:100%;height:100%;border-radius:26px;background:var(--ink);
  overflow:hidden;display:flex;flex-direction:column;padding:18px}
.phone__title{font-weight:900;font-size:20px;margin-bottom:14px}
.phone__title span{color:var(--lime)}
.mock-card{background:var(--surface);border-radius:16px;padding:14px;margin-bottom:12px}
.mock-card h4{font-size:14px;margin-bottom:8px}
.chip{display:inline-block;background:var(--surface-2);border-radius:9px;
  padding:5px 10px;font-size:12px;margin:0 6px 6px 0;color:var(--muted)}
.chip--on{background:var(--lime);color:#0E1116;font-weight:700}
.mock-ex{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.mock-ex .ic{width:34px;height:34px;border-radius:9px;background:var(--surface-2);
  display:grid;place-items:center;font-size:16px}
.mock-ex small{display:block;color:var(--muted);font-size:11px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step .num{width:38px;height:38px;border-radius:11px;background:var(--lime);color:#0E1116;
  display:grid;place-items:center;font-weight:900;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* Features */
.features{background:var(--surface)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.card{background:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card .emoji{font-size:28px}
.card h3{font-size:18px;margin:14px 0 8px}
.card p{font-size:14px;color:var(--muted)}

/* CTA band */
.cta{background:linear-gradient(120deg,var(--lime),var(--lime-dark));color:#0E1116;
  border-radius:24px;padding:54px;text-align:center;margin:0 24px}
.cta h2{color:#0E1116}
.cta p{color:#15331a;font-weight:600;margin-bottom:24px}
.cta .btn{background:#0E1116;color:var(--lime)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item h3{font-size:17px;margin-bottom:6px}
.faq-item p{color:var(--muted);font-size:15px}

/* Footer */
.footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:14px}
.footer__inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer a{color:var(--muted)}.footer a:hover{color:var(--lime)}

@media(max-width:880px){
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero p{margin-left:auto;margin-right:auto}
  .hero__cta{justify-content:center}
  .phone{margin-top:20px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:1fr}
  .nav{display:none}
  .nav-toggle{display:flex}
  .nav.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    background:var(--ink);border-bottom:1px solid var(--line);padding:18px 24px;gap:14px}
}